Is there a difference between a Bomar sight cut and a Bomar hidden sight cut? Which is the BMCS? Do both cuts take the same sight?

I purchase this Kensight adjustable replacement sight to install on my Colt 5 inch government MarkIV series 80 in 9x23 Winchester. Problem: There are no internal threads on the sight for the elevation screw. Just a hole on the mount where the adjustment screw protrudes through. It looks as...

Not picky, looking for a kimber take off or similar , I know there are different sizes, it's for a para usa pro custom full size, but I can make anything work. , something like this If you have a broken adjustable, I have a few also, I could use parts to cobble together one working...

Looking for a take off kimber rear sight, or other bomar cut rear sight. Last part needed for Jimmy 45 build. Trade, paypal, or $ Or, I have a few broken adjustable bomar sights, if you also have a broken rear bomar it might have the part I need to make one good one.